TY  - BOOK
ED  - Harcourt School
TI  - Energy transfer in Ecosystems
T2  - Harcourt School
SN  - 9780153620416 :
PY  - 2009///?]
CY  - Florida
PB  - Harcourt School
KW  - Rock
KW  - Juvenile literature
KW  - Science
N1  - Includes bibliographical references and index
ER  -